61961659262 has 32 divisors (see below), whose sum is σ = 104061936384. Its totient is φ = 27529574400.

The previous prime is 61961659247. The next prime is 61961659273. The reversal of 61961659262 is 26295616916.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673703 + ... + 760130.

It is an arithmetic number, because the mean of its divisors is an integer number (3251935512).

Almost surely, 2^61961659262 is an apocalyptic number.

61961659262 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61961659262 is a deficient number, since it is larger than the sum of its proper divisors (42100277122).

61961659262 is a wasteful number, since it uses less digits than its factorization.

61961659262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433924.

The product of its digits is 2099520, while the sum is 53.

The spelling of 61961659262 in words is "sixty-one billion, nine hundred sixty-one million, six hundred fifty-nine thousand, two hundred sixty-two".